Calisco Roofing vs Tri Valley Roofing
East Bay Roofing Comparison · Updated January 2026
| Calisco Roofing | Tri Valley Roofing | |
|---|---|---|
| Rating | ★ 5.0 | ★ 5.0 |
| Years Licensed | 3 years | 3 years |
| License # | 1105093 | 1100411 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Brentwood, CA | Castro Valley, CA |
| Website | caliscoroofing.com | www.trivalleyroofing.com |
Our Analysis
Service scope overlaps significantly. Calisco Roofing is described as providing residential inspections, leak repairs, maintenance, and roof replacement work, with customer-referenced examples including low-slope roofing, tile roof maintenance and repairs, PVC membrane roofing, torch-down roofing, gutter cleaning, and roof vent/flashing installation. Tri Valley Roofing is described (via customer feedback) as handling roofing projects including full roof replacements and add-on work such as gutters, skylights, and solar tubes.
Customer feedback themes are similar: both are commonly described as responsive communicators who explain options and scope, and both are noted for using photos to document conditions or progress. Calisco Roofing feedback emphasizes thorough inspections, transparency around pricing and scope, and cleanup. Tri Valley Roofing feedback emphasizes professional reliability, efficient scheduling and timely completion, attention to detail, cleanliness, and a careful approach to safety, with some customers noting photo documentation useful for insurance.
Why choose Calisco Roofing?
- ✓ You are located in or near Contra Costa County and want a contractor operating from Brentwood with a stated focus on serving the surrounding Contra Costa area.
- ✓ Your project involves specific residential roofing tasks referenced in customer examples, such as low-slope work, tile maintenance/repairs, PVC membrane, or torch-down roofing.
- ✓ You want an emphasis on on-roof inspection, documentation (including before-and-after photos), and clear communication about options and scope.
- ✓ You value stated practices around transparency on pricing/scope and leaving the work area orderly after completion.
Why choose Tri Valley Roofing?
- ✓ You are located in or near Alameda County and prefer a contractor based in Castro Valley.
- ✓ Your project may include a full roof replacement along with add-ons mentioned by customers, such as gutters, skylights, or solar tubes.
- ✓ You want frequent updates and guidance during decision-making, with clear explanations of the work as it progresses.
- ✓ You value jobsite cleanliness and a careful approach to safety, and you may benefit from photo documentation that can be shared with insurance if needed.
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Frequently Asked Questions
Yes. Both Calisco Roofing and Tri Valley Roofing are listed as having an active license, 3 years licensed, and workers’ compensation coverage.
Yes. Each company is listed as maintaining a $25,000 bond.
Calisco Roofing is based in Brentwood in Contra Costa County, while Tri Valley Roofing is based in Castro Valley in Alameda County.
Yes. Customer feedback for both companies references the use of photos to document conditions and/or progress, including before-and-after photos for Calisco Roofing and documentation that some Tri Valley Roofing customers found useful for insurance.
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Data Sources: License information from California CSLB. Ratings and reviews from Google. Last verified January 13, 2026.
This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.